Creating an HTTP Service with Web API: Listing 1

Code from global.asax.vb.

Imports CarInventory.Inventory.APIs
Imports System.ServiceModel.Activation
Imports Microsoft.ApplicationServer.Http.Activation


' Note: For instructions on enabling IIS6 or IIS7 classic mode, 
' visit http://go.microsoft.com/?LinkId=9394802

Public Class MvcApplication
    Inherits System.Web.HttpApplication

    Shared Sub RegisterGlobalFilters(ByVal filters As GlobalFilterCollection)
        filters.Add(New HandleErrorAttribute())
    End Sub

    Shared Sub RegisterRoutes(ByVal routes As RouteCollection)

        routes.IgnoreRoute("{resource}.axd/{*pathInfo}")

        'routes.Add must be addded prior to the routes.MapRoute() because the Inventory API does not correspond to
 a controller+action combination.
        routes.Add(New ServiceRoute("InventoryWebAPIs/Inventory", New HttpServiceHostFactory(), GetType(InventoryAPI)))

        ' MapRoute takes the following parameters, in order:
        ' (1) Route name
        ' (2) URL with parameters
        ' (3) Parameter defaults
        routes.MapRoute( _
            "Default", _
            "{controller}/{action}/{id}", _
            New With {.controller = "Home", .action = "Index", .id = UrlParameter.Optional} _
        )

    End Sub

    Sub Application_Start()
        AreaRegistration.RegisterAllAreas()

        RegisterGlobalFilters(GlobalFilters.Filters)
        RegisterRoutes(RouteTable.Routes)
    End Sub
End Class

About the Author

Sam Nasr has been a software developer since 1995, focusing mostly on Microsoft technologies. Having achieved multiple certifications from Microsoft (MCAD, MCTS(MOSS), and MCT), Sam develops, teaches, and tours the country to present various topics in .Net Framework. He is also actively involved with the Cleveland C#/VB.Net User Group, where he has been the group leader since 2003. In addition, he also started the Cleveland WPF Users Group in June 2009, and the Cleveland .Net Study Group in August 2009, and is the INETA mentor for Ohio. When not coding, Sam loves spending time with his family and friends or volunteering at his local church. He can be reached by email at sam@nasr.info.